
#include<stdio.h>

int main()
{
    int n = 0, i = 0, j = 0;
       scanf("%d", &n); 
        for (i = 1; i <= n; i++)
        {
            for (j = 1; j <= n; j++)
            {
                if (i == j)
                    printf("*");
                else if (j==n+1-i)
                    printf("*");
                else
                    printf(" ");
            }
            printf("\n");
        }
    
    return 0;
}

